宁强—棋盘关高速公路桥面及路面铺装设计-毕业设计.doc

原 创 声 明 论文作者(签字)： 日期： 年 月 日 摘 要 宁强至棋盘关（陕川界）高速公路是国家高速公路“7918”网中第四条放射线“北京至昆明”陕西境内的重要组成路段，也是陕西省规划的“三、四、五”高速公路主骨架网的重要组成路段，该项目的建设实施对完善和优化国家干线公路网，国家实施西部大开发战略，促进省际交流，加快区域经济发展，改善和提高山区百姓生活水平，适应交通量日益增长，促进地区旅游业发展具有十分重要的意义。本文采用现场调查、理论分析、实验研究和施工工艺与质量技术指标控制相结合的方法，对宁强至棋盘关高速公路桥面及路面铺装进行了系统研究。 首先，本文在广泛分析国内桥面及路面铺装类型的基础上，提出了本次桥面及路面铺装设计采用沥青混凝土铺装。 其次，深入调查了沿线自然环境的基础之上，提出了路面主要设计指标，利用电脑程序完成了路面结构层的选择、路面厚度的计算以及路面结构层组成材料的设计。 第三，通过对现有材料及已有研究成果分析的基础之上，完成了桥面防水粘结层及沥青面层的设计。 本文采用图解法求已知级配粗集料、细集料和矿粉的比例关系，通过马歇尔试验的方法确定沥青最佳用量及沥青混合料配合比，采用高剂量SBS改性沥青作为高速公路水泥混凝土桥面的防水粘结层材料，可以满足宁强—棋盘关高速公路桥面铺装的要求。 关键字：筑路材料，沥青混凝土，路面结构层，桥面铺装 Abstract Ningqiang related to board (Hapcheon sector) is the National Highway Traffic Highway 7918, the fourth network radiation from Beijing to Kunming, an important component in the Shaanxi section of Shaanxi Province is planning a three, four, five high-speed the main framework of road network, an important section of the construction of the project to improve and optimize the implementation of the national trunk road network, the state implementing the western development strategy, and promote inter-provincial exchanges, and to accelerate regional economic development, improve and enhance the living standards of mountain populations to adapt to the growing volume of traffic, and promote regional tourism development is very important. In this paper, field investigation, theoretical analysis, experimental research and the construction technology and quality control of the combination of technical indicators of the method of Ningqiang clearance to board the highway bridge and road pavement are presented systematically. First of all, this article analyzed in a wide range of bridge and road pavement types on the basis of the proposed bridge and road pavement of asphalt concrete pavement design. Second, in-depth investigation on the basis of the natural environment along the proposed main road design specifications, using computer prog